The auditory P200 is both increased and reduced in schizophrenia?: a meta-analytic dissociation of the effect for standard and target stimuli in the oddball task

Objective: Conflicting reports of P200 amplitude and latency in schizophrenia have suggested that this component is increased, reduced or does not differ from healthy subjects. A systematic review and meta-analysis were undertaken to accurately describe P200 deficits in auditory oddball tasks...